【正确答案】 B

【答案解析】[解析] 画线词merge为动词，意为“合并，使合并”。A项motivate意为“刺激，激发”；例：Teachers should motivate students to be creative.老师们应该激发学生们的创造力。B项combine意为“使结合，使联合”；例：Two parties will combine to defeat the third party.两个党派将联合在一起以击败第三党。C项compact意为“使简洁，压缩”；例：The article is compact and carefully constructed.文章结构严谨。D项nominate意为“提名，指定”；例：Trade Unions nominate representatives to public bodies.工会指定驻公共机关的代表。故本题选B。